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김옥숙,박철,문성기,최영현 대한암예방학회 2006 Journal of cancer prevention Vol.11 No.3
Asarum sieboldii, as a medicinal and food plant, has been used to treat pain and inflammation in traditional Korean medicine. In the present study, it was analyzed the effects of water extracts of A. sieboldii (WEAS) on the growth and apoptosis of human lung carcinoma (A549 and NCI-H460) and colon cancer (HT29) cell lines. Treatment with WEAS in A549 cells inhibited the cell growth and induced apoptosis in a dose-dependent manner as measured by MTT assay, however NCI-H460 and HT29 cells exhibited relatively weak anti- proliferative activities to WEAS. RT-PCR and Western blot data revealed that the anti-proliferative effect of WEAS in A549 cells was associated with a dose-dependent up-regulation of cyclin-dependent kinase inhibitor p21 (WAF1/CIP1) protein in a tumor suppressor p53-independent fashion. However the levels of proliferating cell nuclear antigen (PCNA) mRNA and protein expression were markedly down-regulated by WEAS treatment. It was also found WEAS treatment decreased the levels of cyclooxygenase (COX)-2 and inducible nitric oxide synthease (iNOS) expression without significant changes in the expression of COX-1. Though further studies will be needed to identify the active compounds that confer the anti-cancer activity of WEAS, the present findings provide important new insights into the possible molecular mechanisms of the anti-cancer activity of A. sieboldii. (Cancer Prev Res 11, 240-247, 2006)
김옥숙 ( Ok Suk Kim ),최옥자 ( Ok Ja Choi ),심기훈 ( Ki Hoon Shim ) 한국식품저장유통학회 ( 구 한국농산물저장유통학회 ) 2012 한국식품저장유통학회지 Vol.19 No.1
To enhance the application of lotus roots and to provide basic data for processed foods with lotus roots, lotus root powder was processed under four different conditions, and their physicochemical properties were analyzed as follows. In the Hunter`s color value results, the salted sample had the highest L value, and the vinegared sample had the highest a and b values. The water-holding capacities of the salted, vinegared, and blanched samples were higher than that of the control sample. The amylase contents were in the 19.57-20.43% range but were not significant. The swelling power and solubility of the processed samples increased as the temperature rose. The blanched sample had the highest swelling power and solubility (65 and 60℃, respectively). The crystallinity of the processed samples, as determined via X-ray diffraction, reached their peak at 16.9°, and the other peaks at 14.6, 22.2, and 23.8° were typical of the B type. In addition, the relative crystallinity, gelatinization temperature, and enthalpy, as determined via DSC thermogram, were highest in the vinegared sample and lowest in the blanched sample. In the amylogram results, the vinegared sample had the highest maximum viscosity and breakdown. The retrogradation of the vinegared sample was the slowest as its setback value was the lowest.
직무스트레스, A형 성격, 부적정동, 강인성이 교사들의 탈진 및 신체증상에 미치는 영향
김희경,김옥숙,김청송 한국청소년학회 2011 청소년학연구 Vol.18 No.9
This study aimed to identify an stressors of teacher's educational environments and Burnout and Somatic Healths model which incorporated traits(negative affectivity , hardiness, A type) as well as job stress. 166 teachers in Kyung-Gi-Do completed self reported measures(the questionare of traits, burn out and Somatic healths). As a results, there was a positive relations between job stress and burn out and somatic healths. The most severe stressor of teacher was educational authoritative loss. Also negative affectivity was the most significant predictor of burnout and somatic healths. The difference between male and female teacher and marital status must be considered in follow up study. Finally, the expected role of work annuals and status in school settings are discussed in the contexts of aging. 본 연구의 목적은 우리나라의 교사들이 경험하는 스트레스 유발요인을 확인하고 이러한 교사의 직무스트레스나 다양한 개인차 변인이 교사들의 탈진 및 신체증상들과 어떠한 관계성을 맺고 있는지 구체화하는 것이다. 본 연구에서는 중․고등학교 교사 166명에게 교사의 직무스트레스, 탈진, 신체건강 및 성격 등을 평가하기 위한 질문지에 응답하게 하였다. 교사들이 지각하는 스트레스는 학생지도, 관료적 운영, 학급관리, 대우에 대한 순으로 나타났으며, 직무 스트레스는 교사들의 탈진을 유발하고 신체증상들을 유의하게 유발시키는 것으로 확인되었다. 특히 신체증상보다도 탈진과의 상관이 더 높게 나타나 직무 스트레스가 정신건강에 보다 부정적인 영향을 미치고 있었다. 교사들의 탈진 및 신체증상지각에 가장 크게 영향을 스트레스원은 교권의 권위상실이었고, 성격변인으로는 부적정동이었다. 추후연구에는 교사 연한에 따른 발달적 변화나 직장-가정의 역할 갈등을 일으키는 기혼 및 미혼 여자교사의 비교 그리고 학교 내 직급 등의 차이 등으로 인한 스트레스 요인들을 포함시키는 것이 바람직할 것으로 제안하였다.
새 교육과정에 의한 고등학교 생물 교사용 (敎師用) 지도서에 (指導書) 대한 분석적연구 1: 생물 Ⅰ
정용재,김옥숙 韓國生物敎育學會 1985 생물교육 Vol.13 No.1
The present work was undertaken to obtain data for developing an ideal high school biology teacher's guides in Korea. The new and the former editions of the Korean high school biology teacher's guide were analyzed and compared each other and the results obtained are as follows: 1. The new and former teacher's guides comprise elements and detailed exposition. 2. The ermarkable difference of the new and the former guide is that evaluation is stressed in all the new editions. 3. Teaching objectives of the new edition are stressed on the aspect of scientific inquiry more than those of the former edition. 4. In the biology teacher's guide I of the new edition, the themes are stressed on $quot;genetic continuity$quot; and the level, $quot;individual$quot;. 5. As to connection of the biology texthook and the biology teacher's guides, it is well done in the new edition than in the former.